mtg cards like reckless fireweaver Similar to (foil) Reckless Fireweaver deals 1 damage to each opponent. Reckless Fireweaver (Card) | EDHREC

Speaking of pillowforts, there is a downside to the pseudo-unblockable of shadow, which is that many of our creatures wont be able to block practically anything unless they lose shadow, so well use cards like No Mercy and Ghostly Prison (thats one way to think about Navidsons house, thats for sure) to dissuade opposing creatures from even wanting to venture into our confusing battlefield

Scavenging Ooze is a highly versatile and efficient threat

Solemn Simulacrum makes a nice blocker as well, as when it dies you can draw a card

You just made someone hate you

Shardless Agent can easily cascade into these spells, leaving space for other spells at or above 3-mana to safely cascade past